v0.5 (09-December-2020)

[What year is this?]

Added the following new functions:
- (boundary) hfssAssignImpedance(...) (thanks Rounak Singh Narde).
- (boundary) hfssEditFloquetPort(...)
- (boundary) hfssEditSlave(...)
- (analysis) hfssSweepAnalysis(...)
- (analysis) hfssSolveSweepAnalysis(...)
- (general) hfssSetVariable(...) (thanks Rounak Singh Narde).
- (general) hfssAssignSizeVariable(...)
- (general) hfssAssignPositionVariable(...)
Added phi and theta (scan angle) as input variables in hfssAssignSlave.
hfssSetVariable now allows to assign a variable as a function of other variables.
hfssAssignFloquetPort now allows to invert the order to the TE-TM modes.
hfssSetColor can set a color to several objects simultaneously.
Fixed examples to lastest AnsysEM version.
Fixed closed polyline assignment.
Floquet port: 3D refinement enabled by default.
Fixes in hfssAssignSlave documentation.
Removed miscellaneous semicolons and commas from some files.